Solar panel



FIG. 1 is a front elevational view of a solar panel according to the present invention. The top, bottom, sides and rear of the panel are unornamented. In the fourth row of the second column, the center element is shown with solid lines; and,

FIG. 2 is a detail view of the indicated portion of FIG. 1.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a solar panel, as shown and described. 